Audible - Audible is the world’s largest provider of premium audiobooks and spoken word content.
Spotify - Map shows when two people play same song at same time
LibriVox - free public domain audiobooks
SoundCloud - Enjoy music & follow favourite artists
DigitalBook.io - Free audio books and eBooks. Search, browse, listen, read and download over 100,000 free audio books and eBooks.
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm